---
title: "Usb C Card — $72K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/usb-c-card"
last_updated: "2026-08-05T22:41:59.497Z"
locale: en
meta:
description: "Niche score 42/100 · $72K/yr market · 85K searches/yr · $39.88 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · $72K/yr market · 85K searches/yr · $39.88 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Usb C Card — $72K/yr Amazon US Niche (2026) - Flapen"
---
# **usb c card**
**Skip it**
A small market ($72K/yr) — this niche doesn't clear our bar today.
Market size 18Growth 21Conversion 26Competition 56Returns 21Price range 37Avg price 95Brand share 51Review moat 79Quality gap 78
**Avg price**
**Incredible****$39.88**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****415.53**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****51%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Good****74%**
top-5 brand share — brands hold most of the demand
**Price range**
**Okay****$15.68–$246.24**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Okay****2.1%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Bad****-7.3%**
90-day search growth — must beat 0% to launch
**Returns**
**Bad****6.1%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$72K**
$72K/yr · 85K searches
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, usb c card is a $72K/yr Amazon United States market (85K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 42/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **usb c card market data**
- **Units sold / yr**
- **3K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$100K–$120K**
- units × avg price
- **Conversion rate**
- **2.1%**
- **Avg BSR**
- **#36**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **90%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **37 months**
- **Avg seller age**
- **187 days**
## **Competition & brand share**
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▲rising
**Sellers**
**66**
**Top-5 brand share**
**74%**
Top 20: 100%
**Top-5 click share**
**51%**
Top 20: 91%
**Open market**
**19%**
- YEELIYA23% - StarTech.com20% - LDLrui13% - FebSmart12% - SINEFINE6% - LinksTek6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -7.3% search growth over the last 90 days.
2K2KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Dec · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/electronics/usb-c-card/trend)
## **Top usb c card search terms**
- **usb c pcie card**21K/yr-4.8%2.6% conv. - **usb c card**12K/yr-7.4%1.8% conv. - **pcie usb c expansion card**8K/yr+10.0%2.7% conv. - **pcie usb c**9K/yr-20.0%2.6% conv. - **usb c pcie**6K/yr+6.8%3.0% conv. - **pcie to usb c**5K/yr-9.0%1.4% conv. - **usbc pcie card**5K/yr-19.0%2.8% conv. - **usb c card for pc**3K/yr+23.1%3.2% conv. - **usb c expansion card**4K/yr-9.7%3.1% conv. - **usb c pci card**3K/yr+19.8%2.6% conv. [**All search terms **](https://flapen.com/research/us/electronics/usb-c-card/search-terms)
## **Top usb c card products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%4%$3K8%$6K12%$9K16%$11K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**10Gbps PCIE USB C 3.2 Gen 2 Card 2-Port PCle to USB C Expansion Card PCI Express 3.0 x4 Adapter for Desktop PC SSD Enclosures Workstations File Backup Data only**LDLrui**$28.86**4.5★68 rev](https://www.amazon.com/dp/B0FB39J532) [2**USB 3.0 PCIE Card 5-Port (3X USB C 2X Type A) PCI Express Expansion Card**YEELIYA**$22.50**4.2★471 rev](https://www.amazon.com/dp/B09MFPGMH5) [3**StarTech 5-Port USB 10Gbps PCIe Card (PS4C3IA3-USB-C-CARD)**StarTech.com**$70.14**4.4★131 rev](https://www.amazon.com/dp/B0D8WDPD74) [4**4X 5Gbps USB-C Ports PCI Express USB 3.0 Expansion Card for Windows 11 10 8.x 7 Vista XP Desktop PCs Built in Self-Powered Technology No Need Additional Power Supply (FS-U304C-Pro)**FebSmart**$27.33**4.3★2,705 rev](https://www.amazon.com/dp/B07Y7KQ7KM) [5**PCIE-U304C 4-Ports PCIE USB 3.0 (3.1 GEN1) 5Gbps Expansion Card for Desktop PCs 4X 5Gbps Max USB-C Ports Built in Smart Power Distribution Technology No Need Extra Power Supply**LinksTek**$26.96**4.3★229 rev](https://www.amazon.com/dp/B0B63W3H9C)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**GLOTREND U3044C 4-Port PCIe USB Expansion Card 4 USB-C Ports (USB 3.2 Gen 1) Compatible with Windows Linux (Not for Mac OS)**GLOTRENDS**$25.97**12 rev4mo ago](https://www.amazon.com/dp/B0GTGBS35W) [![ineo USB 3.2 Gen 2x2 20 Gbps Type-C Back Panel Expansion Card with PCI Bracket - Internal Type E Header to USB-C Port Expansion [CA09]](https://m.media-amazon.com/images/I/41JWl2mp0+L.jpg)**ineo USB 3.2 Gen 2x2 20 Gbps Type-C Back Panel Expansion Card with PCI Bracket - Internal Type E Header to USB-C Port Expansion \[CA09\]**ineo**$16.27**8 rev6mo ago](https://www.amazon.com/dp/B0GHR584J1) [**4 Ports USB PCIe Card (2X Type A - 2X USB C) PCI Express to USB Expansion Card PC Internal USB3 Hub Converter for Desktop PC Adapter Support Windows 11/10/8/7/XP and Linux**YEELIYA**$19.86**14 rev8mo ago](https://www.amazon.com/dp/B0G34FPYKD) [**10Gbps PCIE USB C 3.2 Gen 2 Card 2-Port PCle to USB C Expansion Card PCI Express 3.0 x4 Adapter for Desktop PC SSD Enclosures Workstations File Backup Data only**LDLrui**$28.86**68 rev1y ago](https://www.amazon.com/dp/B0FB39J532) [**USB PCIe Card PCI Express to 6 Ports USB Expansion Card (2X Type A - 2X USB C) with External 20pin Type-E Header (to Type-c Front Panel)/ 19pin Adapter Low Profile Bracket with Windows and Linux**YEELIYA**$24.42**152 rev1y ago](https://www.amazon.com/dp/B0DYJ4M47V)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**GLOTREND U3044C 4-Port PCIe USB Expansion Card 4 USB-C Ports (USB 3.2 Gen 1) Compatible with Windows Linux (Not for Mac OS)**GLOTRENDS**$25.97**4.6★**▲ 391%**](https://www.amazon.com/dp/B0GTGBS35W) [**4 Ports USB PCIe Card (2X Type A - 2X USB C) PCI Express to USB Expansion Card PC Internal USB3 Hub Converter for Desktop PC Adapter Support Windows 11/10/8/7/XP and Linux**YEELIYA**$19.86**4.5★**▲ 386%**](https://www.amazon.com/dp/B0G34FPYKD) [![ineo USB 3.2 Gen 2x2 20 Gbps Type-C Back Panel Expansion Card with PCI Bracket - Internal Type E Header to USB-C Port Expansion [CA09]](https://m.media-amazon.com/images/I/41JWl2mp0+L.jpg)**ineo USB 3.2 Gen 2x2 20 Gbps Type-C Back Panel Expansion Card with PCI Bracket - Internal Type E Header to USB-C Port Expansion \[CA09\]**ineo**$16.27**4.0★**▲ 291%**](https://www.amazon.com/dp/B0GHR584J1) [**4X 5Gbps USB-C Ports PCI Express USB 3.0 Expansion Card for Windows 11 10 8.x 7 Vista XP Desktop PCs Built in Self-Powered Technology No Need Additional Power Supply (FS-U304C-Pro)**FebSmart**$27.33**4.3★**▲ 61%**](https://www.amazon.com/dp/B07Y7KQ7KM) [**GLOTREND U6A2C 8-Port PCIe USB Expansion Card 2 USB-C & 6 USB-A Ports (USB 3.2 Gen 1) Compatible with Windows Linux (Not for Mac OS)**GLOTRENDS**$27.85**4.3★**▲ 51%**](https://www.amazon.com/dp/B0BSG6KWZ9)
**~~View all trending →~~**
## **What buyers say about usb c card**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Socket/Port/Plug**20%
*“Great for adding ports”*
**Assembly/Installation**18%
*“Installation was standard”*
**Compatibility-Overall**9%
*“Compatibility was no issue on my system”*
**Data Transfer Speed**7%
*“the transfer speeds are solid for everything I have tested so far”*
**Value For Money**7%
*“Worth price”*
**Advertised Vs Actual Product**6%
*“as advertised”*
**Quality-Overall**5%
*“This is a great quality cable”*
**Connectivity-Overall**4%
*“It works, devices connect,”*
**Computation Performance**4%
*“It is super fast”*
**Strength**3%
*“The car seems solidly built”*
### **What buyers complain about **
**Compatibility-Overall**13%
*“Not compatible with window 11”*
**Socket/Port/Plug**12%
*“it appeared that some of the USB ports were non-functional”*
**Functionality-Overall**10%
*“Doesnt work well”*
**Size-Overall**8%
*“dont really fit the case”*
**Advertised Vs Actual Product**7%
*“Sadly not listed in the product information”*
**Connectivity-Overall**7%
*“They flash power, never connect, never transfer any data”*
**Data Transfer Speed**7%
*“the transfer speed is slow”*
**Quality-Overall**6%
*“and had significant worse performance”*
**Product Condition**4%
*“Received a clearly used unit”*
**Instructions/User Manual/Troubleshooting**3%
*“The card does NOT come with any documentation”*
### **Top return reasons **
**Compatibility-Overall**33%
**Functionality-Overall**14%
**Socket/Port/Plug**11%
**Size-Overall**9%
**Advertised Vs Actual Product**8%
**Connectivity-Overall**5%
**Defective Material/Parts**4%
**Data Transfer Speed**3%
**Length**3%
**Assembly/Installation**2%
## **Common questions**
- **Is usb c card profitable to sell on Amazon United States?**
- The niche generates $72K/yr across 30 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -7.3%. Flapen's verdict: Skip it (42/100).
- **How competitive is the usb c card niche?**
- 14 brands and 66 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 74% of demand.
- **What do buyers complain about in usb c card?**
- Top complaints mined from reviews: Compatibility-Overall, Socket/Port/Plug, Functionality-Overall. The return rate is 6.1% — above our launch gate.
- **When does demand for usb c card peak?**
- Demand peaks in Jan–Dec; the busiest month runs 1.6× the quietest.
- **What does it cost to enter the usb c card niche?**
- Listings span $15.68–$246.24; the average listing price is $39.88 (sweet spot $15–$100). The average incumbent carries 416 reviews — the moat a new listing must climb.
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